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Data / Drug companies / Biguanide

Biguanide drugs: 27 drugs from 103 companies in the FDA NDC directory

Biguanide is an FDA established pharmacologic class. The FDA National Drug Code Directory lists 630 products in this class from 103 companies, covering 27 drugs by generic name. The main marketing category is generic drugs (ANDA), and the newest product started marketing on October 25, 2026.

SpecStream is the live web data engine for teams and agents. It reads the National Drug Code Directory that FDA publishes, and this page is that reading. Ask for the companies that make a drug, a class or a dosage form, with their headquarters, website and size added from the web, and new listings and discontinued products arrive in your sheet, CRM, Slack or agent as FDA posts them.

  • 103Companies
  • 630Products
  • 27Drugs by generic name

Drugs in the Biguanide class

Ranked by number of companies that list the drug.

DrugProducts hereCompanies listing it
Metformin hydrochloride37679
Metformin hcl3313
Metformin er 500 mg1211
Dapagliflozin and metformin hydrochloride3710
Glyburide and metformin hydrochloride219
Sitagliptin and metformin hydrochloride378
Glipizide and metformin hydrochloride146
Glyburide-metformin hydrochloride95
Metformin er 750 mg65
Metformin74
Metformin hydrochloride extended-release tablets83
Glipizide and metformin hcl73
Metformin hydrochloride tablet63
Alogliptin and metformin hydrochloride53
Pioglitazone and metformin hydrochloride53
Linagliptin and metformin hydrochloride82
Pioglitazone hydrochloride and metformin hydrochloride42
Canagliflozin and metformin hydrochloride81
Empagliflozin and metformin hydrochloride41
Empagliflozin, linagliptin, metformin hydrochloride41
Empagliflozin, metformin hydrochloride41
Ertugliflozin and metformin hydrochloride41
Saxagliptin and metformin31
Saxagliptin and metformin hydrochloride31
Pioglitazole and metformin hydrochloride21
Pioglitazone hcl and metformin hcl21
Metformin hydrochloride tablets11

Companies with the most products in this class

CompanyProductsMain dosage formsMain marketing categoryNewest product started
A-S Medication Solutions66tablet, film coated; tabletGeneric drugs (ANDA)August 25, 2025
Bryant Ranch Prepack30tablet, extended release; tabletGeneric drugs (ANDA)May 1, 2024
Aphena Pharma Solutions - Tennessee, LLC22tablet, extended release; tabletGeneric drugs (ANDA)June 11, 2024
Remedyrepack Inc.20tablet, extended release; tablet, film coatedGeneric drugs (ANDA)October 25, 2026
Preferred Pharmaceuticals Inc.19tablet; tablet, film coatedGeneric drugs (ANDA)August 27, 2026
NuCare Pharmaceuticals,Inc.18tablet; tablet, film coatedGeneric drugs (ANDA)August 25, 2025
Boehringer Ingelheim Pharmaceuticals, Inc.17tablet, extended release; tabletNew drug applications (NDA)April 23, 2020
Ascend Laboratories, LLC16tablet, film coated; tablet, film coated, extended releaseGeneric drugs (ANDA)April 6, 2026
PD-Rx Pharmaceuticals, Inc.15tablet, extended release; tabletGeneric drugs (ANDA)August 25, 2025
Proficient Rx LP14tablet, film coated; tabletGeneric drugs (ANDA)June 26, 2019
Macleods Pharmaceuticals Limited12tablet, extended release; tablet, film coatedGeneric drugs (ANDA)April 6, 2026
Aurobindo Pharma Limited11tablet, extended release; tablet, film coated, extended releaseGeneric drugs (ANDA)April 6, 2026
Zydus Lifesciences Limited11tablet, film coated; tabletGeneric drugs (ANDA)May 5, 2016
Northwind Health Company, LLC10tablet, extended release; tablet, film coatedGeneric drugs (ANDA)December 30, 2025
Zydus Lifesciences Limited10tablet, film coated, extended release; tablet, film coatedNew drug applications (NDA)October 31, 2024
Zydus Pharmaceuticals USA Inc.10tablet, film coated, extended release; tablet, film coatedNew drug applications (NDA)October 31, 2024
Coupler LLC9tablet, extended release; tabletGeneric drugs (ANDA)June 16, 2026
Heritage Pharmaceuticals Inc. D/B/A Avet Pharmaceuticals Inc.9tablet; tablet, film coatedGeneric drugs (ANDA)May 1, 2024
Merck Sharp & Dohme LLC9tablet, film coated; tablet, film coated, extended releaseNew drug applications (NDA)December 19, 2017
ScieGen Pharmaceuticals, Inc.9tablet; tablet, film coated, extended releaseGeneric drugs (ANDA)August 21, 2026
Zydus Pharmaceuticals USA Inc.9tablet, film coated; tabletGeneric drugs (ANDA)May 5, 2016
Aurobindo Pharma Limited8tablet, film coatedGeneric drugs (ANDA)February 13, 2013
Chartwell RX, LLC8tablet; tablet, film coatedGeneric drugs (ANDA)June 29, 2010
Direct_Rx8tablet; tablet, extended releaseGeneric drugs (ANDA)January 29, 2026
Janssen Pharmaceuticals, Inc.8tablet, film coated; tablet, film coated, extended releaseNew drug applications (NDA)September 20, 2016
Mylan Pharmaceuticals Inc.8tablet, film coated, extended release; tablet, film coatedGeneric drugs (ANDA)August 8, 2023
Quallent Pharmaceuticals Health LLC8tablet; tablet, film coatedGeneric drugs (ANDA)December 15, 2025
Westminster Pharmaceuticals, LLC8tablet, film coated; tablet, coatedGeneric drugs (ANDA)October 23, 2025
Epic Pharma, LLC7tablet, film coated; tablet, extended releaseGeneric drugs (ANDA)July 8, 2020
Granules India Limited7tablet; tablet, extended releaseGeneric drugs (ANDA)February 1, 2021
Granules Pharmaceuticals Inc.7tablet, extended release; tabletGeneric drugs (ANDA)January 22, 2021
Micro Labs Limited7tablet, film coated, extended release; solutionGeneric drugs (ANDA)October 1, 2026
Novadoz Pharmaceuticals LLC7tablet, film coated, extended release; tablet, film coatedGeneric drugs (ANDA)April 6, 2026
Bryant Ranch Prepack6tablet; tablet, extended releaseGeneric drugs (ANDA)August 6, 2020
Bryant Ranch Prepack6tablet; tablet, extended releaseGeneric drugs (ANDA)August 6, 2020
AstraZeneca Pharmaceuticals LP5tablet, film coated, extended releaseNew drug applications (NDA)October 29, 2014
Golden State Medical Supply, Inc.5tablet, film coated, extended release; tablet, film coatedGeneric drugs (ANDA)April 30, 2026
Laurus Labs Limited5tablet, film coated; tablet, extended releaseGeneric drugs (ANDA)October 6, 2023
Marksans Pharma Limited5tablet, film coated; tablet, extended releaseGeneric drugs (ANDA)May 12, 2016
NCS HealthCare of Ky, LLC DBA Vangard Labs5tablet, film coated; tablet, extended releaseGeneric drugs (ANDA)March 29, 2024
Precision Dose, Inc.5tablet, coated; tablet, extended releaseGeneric drugs (ANDA)February 15, 2024
QPharma, Inc.5tablet; tablet, film coatedGeneric drugs (ANDA)August 25, 2025
Rising Pharma Holdings, Inc.5tablet, film coatedGeneric drugs (ANDA)February 13, 2013
Time Cap Laboratories, Inc5tablet, film coated; tablet, extended releaseGeneric drugs (ANDA)November 14, 2016
Ajanta Pharma USA Inc.4tablet, extended releaseGeneric drugs (ANDA)March 9, 2021
AvKARE4tablet, extended release; tablet, film coatedGeneric drugs (ANDA)June 11, 2024
Legacy Pharmaceutical Packaging, LLC4tablet; tablet, extended releaseGeneric drugs (ANDA)March 10, 2022
Lupin Pharmaceuticals, Inc.4tablet, extended releaseGeneric drugs (ANDA)April 17, 2026
Lupin Pharmaceuticals, Inc.4tablet, extended releaseGeneric drugs (ANDA)February 1, 2016
Proficient Rx LP4tablet, extended release; tablet, film coatedGeneric drugs (ANDA)August 25, 2025
Aci Healthcare USA, Inc.3tabletGeneric drugs (ANDA)January 15, 2018
American Health Packaging3tablet, film coatedGeneric drugs (ANDA)April 4, 2016
Amneal Pharmaceuticals of New York LLC3tabletGeneric drugs (ANDA)December 17, 2012
Dr. Reddy's Laboratories Inc.3tablet, film coated, extended releaseGeneric drugs (ANDA)August 9, 2023
Golden State Medical Supply, Inc.3tabletGeneric drugs (ANDA)September 11, 2013
Major Pharmaceuticals3tabletGeneric drugs (ANDA)June 26, 2019
Metcure Pharmaceuticals, Inc.3tablet, film coatedGeneric drugs (ANDA)November 14, 2017
Mullan Pharmaceutical Inc.3tablet, coatedGeneric drugs (ANDA)January 1, 2024
PD-Rx Pharmaceuticals, Inc.3tablet; tablet, extended releaseGeneric drugs (ANDA)May 12, 2016
Par Health USA, LLC3tablet, film coated, extended releaseGeneric drugs (ANDA)July 24, 2026
Proficient Rx LP3tablet, film coated; tablet, extended releaseGeneric drugs (ANDA)March 1, 2013
Puracap Laboratories LLC DBA Blu Pharmaceuticals3tablet, film coatedGeneric drugs (ANDA)April 1, 2016
Santarus, Inc.3tablet, film coated, extended releaseNew drug applications (NDA)March 20, 2018
Sun Pharmaceutical Industries, Inc.3tablet, film coated, extended releaseGeneric drugs (ANDA)April 6, 2026
Takeda Pharmaceuticals America, Inc.3tablet, film coatedNew drug applications (NDA)January 25, 2013
Teva Pharmaceuticals USA, Inc.3tablet, film coatedGeneric drugs (ANDA)October 28, 2005
Unit Dose Solutions, Inc.3tabletGeneric drugs (ANDA)June 27, 2026
Advanced Rx of Tennessee, LLC2tablet, film coated; tabletGeneric drugs (ANDA)July 10, 2026
AiPing Pharmaceutical, Inc.2tablet, film coated, extended releaseGeneric drugs (ANDA)December 15, 2025
Amneal Pharmaceuticals LLC2tablet, extended releaseGeneric drugs (ANDA)February 26, 2010
Amneal Pharmaceuticals NY LLC2tablet, extended releaseGeneric drugs (ANDA)February 26, 2010
Aphena Pharma Solutions - Tennessee, LLC2tabletGeneric drugs (ANDA)September 11, 2013
Apotex Corp.2tablet, film coatedGeneric drugs (ANDA)May 28, 2026
AvPAK2tablet, extended releaseGeneric drugs (ANDA)May 2, 2022
Glenmark Pharmaceuticals Inc., USA2tablet, film coated, extended releaseGeneric drugs (ANDA)November 25, 2019
Ingenus Pharmaceuticals, LLC2tablet, extended releaseGeneric drugs (ANDA)December 10, 2018
Lifsa Drugs LLC2tabletGeneric drugs (ANDA)January 24, 2002
Marlex Pharmaceuticals, Inc.2tablet, extended releaseGeneric drugs (ANDA)September 1, 2026
Method Pharmaceuticals, LLC2tabletGeneric drugs (ANDA)February 9, 2026
Oceanside Pharmaceuticals2tablet, film coated, extended releaseAuthorized generics (NDA)March 20, 2018
Padagis Israel Pharmaceuticals Ltd2tablet, film coatedAuthorized generics (NDA)April 8, 2016
Prasco Laboratories2tablet, film coated, extended releaseAuthorized generics (NDA)January 3, 2024
Qingdao Baheal Pharmaceutical Co., Ltd.2tablet, film coated, extended releaseGeneric drugs (ANDA)December 27, 2018
Redpharm Drug2tablet, extended releaseGeneric drugs (ANDA)October 6, 2023
Sandoz Inc2tablet, film coatedGeneric drugs (ANDA)May 28, 2026
Solco Healthcare US, LLC2tablet, extended releaseGeneric drugs (ANDA)May 31, 2022
Torrent Pharmaceuticals Limited2tabletGeneric drugs (ANDA)September 1, 2025
TruPharma, LLC2solutionGeneric drugs (ANDA)January 25, 2022
Unichem Pharmaceuticals (USA), Inc.2tablet, extended releaseGeneric drugs (ANDA)August 11, 2021
Unichem Pharmaceuticals (USA), Inc.2tablet, extended releaseGeneric drugs (ANDA)July 17, 2018
Vgyaan Pharmaceuticals LLC2tablet, extended releaseGeneric drugs (ANDA)November 30, 2021
Viona Pharmaceuticals Inc2tablet, extended releaseGeneric drugs (ANDA)March 15, 2019
Bionpharma Inc.1solutionGeneric drugs (ANDA)July 28, 2025
Calvin Scott & Co., Inc.1tablet, extended releaseGeneric drugs (ANDA)June 8, 2017
Camber Pharmaceuticals, Inc.1solutionGeneric drugs (ANDA)March 13, 2025
Cardinal Health 107, LLC1tabletGeneric drugs (ANDA)June 26, 2019
Golden State Medical Supply, Inc.1tablet, film coated, extended releaseGeneric drugs (ANDA)December 26, 2017
Leading Pharma, LLC1tablet, extended releaseGeneric drugs (ANDA)May 1, 2025
Northwind Health Company, LLC1tabletGeneric drugs (ANDA)February 21, 2024
Saptalis Pharmaceuticals, LLC.1solutionGeneric drugs (ANDA)July 31, 2024

Dosage forms

Dosage formProductsShare
Tablet, film coated18529.4%
Tablet, extended release17127.1%
Tablet16726.5%
Tablet, film coated, extended release8413.3%
Tablet, coated162.5%
Solution71.1%

Updated November 6, 2026. Read from US Food and Drug Administration, National Drug Code Directory (openFDA). CC0 1.0 public domain dedication (openFDA). Counts are products in the FDA National Drug Code Directory on November 6, 2026: 138,262 products in commercial distribution, meaning without a marketing end date in the past. A company is a labeler code; one company can hold several codes, and the directory carries no address. Inclusion in the directory is not FDA approval, and the marketing category says under which kind of application or rule a product is sold. This page uses openFDA data and is not endorsed or certified by FDA. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.